O2Micro OZ777/OZ621 Memory Card Reader Driver 1.2.2.1077, 2.2.2.1077

Driver package for Windows 7–10, 32-bit & 64-bit. Released Jul 20, 2015.

Manufacturer

O2Micro

Version

1.2.2.1077, 2.2.2.1077

Release date

Jul 20, 2015

Windows

Windows 7Windows 8Windows 8.1Windows 10

Architecture

32-bit & 64-bit

Size

5.3 MB

Hardware IDs

4 supported (see list)

Category

Card readers › O2Micro

Download

How to install

1. Check that this is the right driver. Open Device Manager (right-click the Start button), right-click your device, choose Properties and look at "Hardware Ids" on the Details tab. The value should match one of the supported IDs below (more about hardware IDs).
2. Run the downloaded .exe file as administrator and follow the setup wizard.
3. Restart the computer and check that the device no longer shows a yellow warning sign in Device Manager.

Windows 11 is not listed by the manufacturer, but drivers made for 64-bit Windows 10 usually work on Windows 11 as well.

Supported hardware IDs

This driver package declares support for 4 device IDs. Open an ID to see every driver available for that device.

Other drivers for this hardware